How to recover Microsoft Project file?

Asked by IsaccoMichele

When attempting to open a specific .mpp file I receive this error message: “There was a problem opening this project last time, do you want to attempt a repair?” If I choose yes or no for the repair I still get the same result after, which is another message saying: “This action will cause a scheduling conflict. Task 266 of XXX with status upd…’has a task constraint or is linked to a task that cannot move, and as a result the constraint or the link cannot be set. You can, cancel or continue.”
Does anyone know how I can go about recovering this file?

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Ubuntu samba Edit question
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Manfred Hampl (m-hampl) said :

This is support for Ubuntu, an open source operating system.

Your question is about Microsoft Windows products, so we cannot help here.

This question seems fake to me, and created only for the purpose that later today or tomorrow someone else can answer the question, promoting a dubious 'recover whatever files for Windows' product.

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Best raoul (desjardins-raoul) said :

First of I will suggest you to open a new file in Project and then insert this existing file into the same. Because of the way Project stores files, file fragmentation may be the basic cause. To make sure this isn’t the problem: open your .mpp file then select File/Save immediately before doing any other action. Only if you save immediately after opening does Project defragment its .mpp file. If you do not have external links in your file, (i.e. resource pool, master with subprojects, etc.), then a good practice is to always use Save As instead of a straight Save with your file after editing.
Also I can suggest special recovery tool – Recovery Toolbox for Project
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Manfred Hampl (m-hampl) said :

Exactly as predicted.

A person, who registered on Launchpad just a moment ago, answered that question by providing to a link to a site that makes promises about repairing files for several Windows products. And of course also the original poster registered on Launchpad just on the day of posting the question, and has not done anything on Launchpad since.

It would not astonish me, If similar questions for other Windows products will pop up in future, similar to those in recent past, e.g.

Let me make a guess, the next question of that kind will be 'How do I recover my broken Adobe Illustrator file' and it will again be files in the Ubuntu area.

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IsaccoMichele (isaccomichele) said :

Thanks raoul, that solved my question.